# {{ ansible_managed }}
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [0:0]

# allow ping and traceroute
-A INPUT -p icmp -j ACCEPT

# localhost is fine
-A INPUT -i lo -j ACCEPT

# Established connections allowed
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A OUTPUT -m state --state RELATED,ESTABLISHED -j ACCEPT

# if the blocked_ips is defined - drop them
{% if blocked_ips is defined %}
{% for ip in blocked_ips %}
-A INPUT -s {{ ip }} -j DROP
{% endfor %}
{% endif %}

# allow ssh only from needed ips
# vpn in from tun0
-A INPUT -m conntrack --ctstate NEW -m tcp -p tcp --dport 22 -s 192.168.0.0/24 -i tun0 -j ACCEPT
# external ip for iad2
-A INPUT -m conntrack --ctstate NEW -m tcp -p tcp --dport 22 -s 38.145.60.0/24 -j ACCEPT

# for nrpe - allow it from nocs
-A INPUT -p tcp -m tcp --dport 5666 -s 192.168.1.10 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5666 -s 192.168.1.166 -j ACCEPT
# FIXME - this is the global nat-ip and we need the noc01-specific ip
-A INPUT -p tcp -m tcp --dport 5666  -s 38.145.60.16 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5666  -s 38.145.60.15 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 5666 -s 10.3.163.10 -j ACCEPT

# if the host/group defines incoming tcp_ports - allow them
{% if tcp_ports is defined %}
{% for port in tcp_ports %}
-A INPUT -p tcp -m tcp --dport {{ port }} -j ACCEPT
{% endfor %}
{% endif %}

# if the host/group defines incoming udp_ports - allow them
{% if udp_ports is defined %}
{% for port in udp_ports %}
-A INPUT -p udp -m udp --dport {{ port }} -j ACCEPT
{% endfor %}
{% endif %}

# if there are custom rules - put them in as-is
{% if custom_rules is defined %}
{% for rule in custom_rules %}
{{ rule }}
{% endfor %}
{% endif %}

# otherwise kick everything out
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
